The small intestine is in harmony with the heart,only the'fire'of the small intestine can act on behalf of the heart fire and has an important physiological role.However,the development of spleen and stomach theory has unified the functions of the large and small intestines into the stomach,and the small intestine began to lose its independence and was gradually marginalized by the traditional Chinese medicine system.The current Chinese medical understanding of small intestine is rather limited,focusing more on the pathological state of'fire'of small intestine and ignoring its more physiological roles.The purpose of this paper is to reformulate the connotation of the'fire'of the small intestine and to explore the possible connection between it and the five viscera and six internal organs in order to provide new ideas for the future clinical treatment of diseases.
Small intestine'Fire'of the small intestineConnotationPhysiological role